Actually that's not completely right. It's stated in philosophy of Aarilax 101 that the weak have as good chance. It's just not about personal gain, it's about doing whatever is on one's heart, no matter what. You can read this for more info:

http://www.avlis.org/viewtopic.php?t=11193

Now what all this have to do with lizards or murder is completely beyond my grasp.